The 2015–16 Arizona Wildcats men's basketball team represented the University of Arizona during the 2015–16 NCAA Division I men's basketball season. The team was led by seventh-year head coach Sean Miller, and played their home games at McKale Center in Tucson, Arizona as a member of the Pac-12 Conference. They finished the season 25–9, 12–6 in Pac-12 play to tie with California for third place. They defeated Colorado in the quarterfinals of the Pac-12 tournament to advance to the semifinals where they lost to Oregon. Arizona received an at-large bid to the fourth-straight NCAA tournament, the program's 31st appearance, as a 6-seed in the South Region. They lost in the first round to Wichita State.